Electronic insect killer



FIG. 1 is a perspective view from above of a rear and a left side of an electronic insect killer embodying my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for an electronic insect killer, as shown. 